What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu, peptide (glycyl L histidyl L lysine copper) is a naturally occurring copper peptide with a wide range of biological effects, especially noted for skin, healing, anti aging, and regenerative GHK Cu: The Glow Peptide Supporting Skin, Hair, and more Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms